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psalm/tests/ListTest.php

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<?php
namespace Psalm\Tests;
use const DIRECTORY_SEPARATOR;
class ListTest extends TestCase
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{
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use Traits\InvalidCodeAnalysisTestTrait;
use Traits\ValidCodeAnalysisTestTrait;
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/**
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* @return iterable<string,array{string,assertions?:array<string,string>,error_levels?:string[]}>
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*/
public function providerValidCodeParse(): iterable
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{
return [
'simpleVars' => [
'<?php
list($a, $b) = ["a", "b"];',
'assertions' => [
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'$a' => 'string',
'$b' => 'string',
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],
],
'simpleVarsWithSeparateTypes' => [
'<?php
list($a, $b) = ["a", 2];',
'assertions' => [
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'$a' => 'string',
'$b' => 'int',
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],
],
'simpleVarsWithSeparateTypesInVar' => [
'<?php
$bar = ["a", 2];
list($a, $b) = $bar;',
'assertions' => [
'$a' => 'string',
'$b' => 'int',
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],
],
'thisVar' => [
'<?php
class A {
/** @var string */
public $a = "";
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/** @var string */
public $b = "";
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public function fooFoo(): string
{
list($this->a, $this->b) = ["a", "b"];
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return $this->a;
}
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}',
],
'mixedNestedAssignment' => [
'<?php
/** @psalm-suppress MissingReturnType */
function getMixed() {}
/**
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedAssignment
*/
list($a, list($b, $c)) = getMixed();',
'assertions' => [
'$a' => 'mixed',
'$b' => 'mixed',
'$c' => 'mixed',
],
],
'explicitLiteralKey' => [
'<?php
/** @param list<int> $a */
function takesList($a): void {}
$a = [1, 1 => 2, 3];
takesList($a);',
],
];
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}
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/**
* @return iterable<string,array{string,error_message:string,1?:string[],2?:bool,3?:string}>
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*/
public function providerInvalidCodeParse(): iterable
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{
return [
'thisVarWithBadType' => [
'<?php
class A {
/** @var int */
public $a = 0;
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/** @var string */
public $b = "";
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public function fooFoo(): string
{
list($this->a, $this->b) = ["a", "b"];
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return $this->a;
}
}',
'error_message' => 'InvalidPropertyAssignmentValue - src' . DIRECTORY_SEPARATOR . 'somefile.php:11',
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],
'explicitVariableKey' => [
'<?php
/** @param list<int> $a */
function takesList($a): void {}
/** @return array-key */
function getKey() {
return 0;
}
$a = [getKey() => 1];
takesList($a);',
'error_message' => 'MixedArgumentTypeCoercion',
],
];
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}
}